更新完schema文件中某一字段类型后，按该字段排序会有影响

版本 solr5.5.0
比如一个price字段是float类型，然后改为double类型，此时再试图按照price排序solr会报错。目前不知道如何解决，需要删掉索引再重建才会好使。
"error": { "metadata": [ "error-class", "org.apache.solr.common.SolrException", "root-error-class", "org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException" ], "msg": "org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[...]", "trace": "org.apache.solr.common.SolrException: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[...]\n\tat org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:392)\n\tat org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:155)\n\tat org.apache.solr.core.SolrCore.execute(SolrCore.java:2082)\n\tat org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:670)\n\tat org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:458)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:225)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:183)\n\tat org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)\n\tat org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)\n\tat org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)\n\tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)\n\tat org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)\n\tat org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)\n\tat org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)\n\tat org.eclipse.jetty.server.Server.handle(Server.java:499)\n\tat org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)\n\tat org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)\n\tat org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)\n\tat java.lang.Thread.run(Thread.java:748)\nCaused by: org.apache.solr.client.solrj.SolrServerException: No live SolrServers available to handle this request:[...]\n\tat org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:352)\n\tat org.apache.solr.handler.component.HttpShardHandlerFactory.makeLoadBalancedRequest(HttpShardHandlerFactory.java:246)\n\tat org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:201)\n\tat org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:163)\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:262)\n\tat java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:473)\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:262)\n\tat org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$1.run(ExecutorUtil.java:231)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1152)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:622)\n\t... 1 more\nCaused by: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at http://: Invalid shift value (64) in prefixCoded bytes (is encoded value really an INT?)\n\tat org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:576)\n\tat org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:240)\n\tat org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:229)\n\tat org.apache.solr.client.solrj.impl.LBHttpSolrClient.doRequest(LBHttpSolrClient.java:372)\n\tat org.apache.solr.client.solrj.impl.LBHttpSolrClient.request(LBHttpSolrClient.java:325)\n\t... 10 more\n", "code": 500 }